CALCULATION OF REGISTRATION FEE
Title of Each Class of Maximum Aggregate Amount of
Securities Offered Offering Price Registration Fee (1)(2)
2.000% Corporates® Due September 15, 2020 $1,699,000 $231.74
(1) Calculated in accordance with Rule 457(r) under the Securities Act of 1933.
(2) The amount in this column has been transmitted to the SEC in connection with the securities offered by means of this pricing supplement.
Filed Under Rule 424(b)(3), Registration Statement No. 333-177949
Pricing Supplement Number 280 Dated March 04, 2013
(To: Prospectus Dated November 14, 2011 and Prospectus Supplement Dated November 17, 2011)
Principal Selling Gross Net Coupon Coupon Coupon
Maturity 1 st Coupon 1 st Survivor's Product
Number Amount Price Concession Proceeds Type Rate Frequency Date Date Coupon Option Ranking
63743FQS8 $1,699,000 100.000% 1.550% $1,672,665.50 Fixed 2.000% MONTHL 09/15/2020 04/15/2013 $2.11 Yes Senior
Redemption Information : Non-Callable
Offering Dates: Monday, February 25, 2013 through Monday, National Rural Utilities Cooperative Finance
National Rural Utilities March 4, 2013
Trade Date: Monday, March 4, 2013 Corp
Cooperative Finance Corp @12:00 PM ET
Settlement Date: Thursday, March 7, 2013 Prospectus Dated November 14, 2011
Initial trades settle flat and clear SDFS: DTC Book Entry
DTC number: 0235 via RBC Dain Rauscher Inc.
Agents: Citigroup, Comerica Securities, J.J.B. Hilliard, W.L.
Lyons, Inc., Morgan Stanley , UBS Investment Bank, Wells
If the maturity date or an interest payment date for any note is
not a Business Day (as term is defined in Prospectus),
principal, premium, if any, and interest for that note is paid on
the next Business Day, and no interest will accrue from, and
after, the maturity date or interest payment date.
InterNotes® is a registered trademark of Incapital
Holdings, LLC. All rights reserved.